Grant Petersen @GP_O11 Twitter profile

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Grant Petersen

@GP_O11

2 years

I captured #Saturn about 30 minutes before sunset. C9.25 - 2 x barlow - ZWO ASI224mc #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Jupiter in daylight. After some heavy rains the sky is super crisp and clear #Astrophotography

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Grant Petersen

@GP_O11

3 years

Early Saturday morning pic of #Saturn from my backyard in #Johannesburg 45 minutes after sunrise. Celestron 8" SCT - ZWOASI224mc - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

Crisp, clear day over #Johannesburg today so I rushed home from work to snap some daylight planetary pics. Pretty stoked with the results. My best #Saturn and #Jupiter daylight pics. Celestron 8" - ZWOASI224mc - 2 x barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

Daylight pic of #Jupiter with moons Ganymede and Io #Astrophotography

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Grant Petersen

@GP_O11

3 years

Some day light pics of #Venus #Saturn and #Jupiter with moons Europa and Io #Astrophotography

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Grant Petersen

@GP_O11

3 years

Day light pic of #Saturn on a lazy Sunday afternoon. Captured with a Celestron 8" - ZWOASI224mc - 2 X barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

4 years

Daylight pic of #Saturn with a #ZWOASI224MC and Celestron 8" #Astrophotography

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Grant Petersen

@GP_O11

2 years

The gas giants in a lazy Sunday afternoon sky - #Jupiter with moon Ganymede and I think that's my best daylight image of #Saturn Celestron 9.25 - 2 x barlow - ZWOASI224mc #Astrophotography

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Grant Petersen

@GP_O11

4 years

Daylight pic of #Jupiter with moons Io and Europa #Astrophotography

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Grant Petersen

@GP_O11

3 years

Day light pic of #Jupiter with moons Europa, Callisto and Io #Astrophotography

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Grant Petersen

@GP_O11

2 years

First pic of #Saturn 2022 apparition from #Johannesburg #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn from my backyard in #Johannesburg 30 minutes before sunset. Captured with a Celestron 8" - ZWOASI224mc - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

4 years

1 night, 7 planets. I captured #Mercury #Venus #Mars #Jupiter #Saturn #Uranus and #Neptune starting at 6:30 p.m on Wednesday evening with Mercury and ending off with Venus on Thursday morning 5:30. C8, 3 x barlow and #ZWOASI224MC #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Saturn you beauty. Got this pic last night under really good conditions #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn and #Jupiter using an 850IR filter, ZWOASI224mc, C8 and CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

This mornings #Moon

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Grant Petersen

@GP_O11

3 years

#Jupiter with moons from left, Ganymede, Io, Callisto and Europa and #Saturn with moons Titan and Rhea, from my backyard in #Johannesburg 2020.12.15 #Astrophotography

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Grant Petersen

@GP_O11

1 year

First view of #Saturn for 2023. Was hoping for better conditions this morning, managed to get this in between the clouds #Astrophotography

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Grant Petersen

@GP_O11

5 years

That was frickin spectacular. This mornings #Moon #Saturn #Occultation at ingress from #Johannesburg captured with a #GalaxyS8 7mm eyepiece 2 x Barlow and 8" Sky-watcher dobsonian telescope. 5 sec vid run through PIPP and stacked with registax #Smartphone #astrophotography

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Grant Petersen

@GP_O11

1 year

Saturday mornings #Saturn Imaged with a C9.25 - 2 x barlow - ZWO ASI224mc at 7:01 SAST from #Johannesburg #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Saturn and Titan

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Grant Petersen

@GP_O11

2 years

Last night was the best conditions to image planets under. Possibly my best images of #Saturn and #Jupiter captured with my new CPC925 a 2 x barlow and ZWOASI224mc #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn from my backyard in #Johannesburg with a Celestron 8" SCT at F/30, ASI224MC and CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Saturn earlier this morning

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Grant Petersen

@GP_O11

6 years

#Saturn #Jupiter #Venus and #Mars in daylight.

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Grant Petersen

@GP_O11

2 years

First light with my new scope and with it my best pic of #Saturn CPC925 - 3 x barlow - ZWO ASI224mc #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn 2.5 months after opposition and still nice and bright to image #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Uranus was at opposition last night. Imaged from my backyard in #Johannesburg at a distance of 2.79 billion km #Astrophotography

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Grant Petersen

@GP_O11

2 years

Test 3 with a 10" Meade. This is only 75 frames stacked. We are still 2 months from opposition, so pretty hopeful #Saturn #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn with moon Titan. C8 - ASI224MC - CGEM DX #Astrophotography

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Grant Petersen

@GP_O11

4 years

A composite image of all the planets I've captured this year from my backyard in #Johannesburg #Mercury #Venus #Mars #Jupiter #Saturn #Uranus and #Neptune #Astrophotography

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Grant Petersen

@GP_O11

3 years

Some pics of #Jupiter and #Saturn with a Canon 1300d and Celestron 8" from #Johannesburg 2020.12.19 #GreatConjunction #Astrophotography

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Grant Petersen

@GP_O11

6 months

#Saturn at sunset #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn you beauty!! Captured from my backyard in #Johannesburg with a Celestron 8", ZWOASI224mc, 3 x barlow and CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn day and night. Celestron 8" SCT - ZWOASI224mc - 2 x barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn at midnight under very wobbly conditions #Astrophotography

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Grant Petersen

@GP_O11

3 years

Beautiful alignment of #Venus the #Moon #Saturn and #Jupiter

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Grant Petersen

@GP_O11

3 years

#Jupiter with moon Io

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Grant Petersen

@GP_O11

2 years

Saturday nights #Saturn captured with a C925 - 3 x barlow - ZWO ASI224mc #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Jupiter with moons from left, Callisto, Ganymede, Europa and Io #Astrophotography

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Grant Petersen

@GP_O11

4 years

Thursday nights #Mars #Jupiter #Saturn and #Uranus #Astrophotography

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Grant Petersen

@GP_O11

4 years

Thursday nights pics of #Mars #Jupiter #Saturn and #Neptune captured with a #ZWOASI224mc 3 x barlow and Celestron 8" #Astrophotography

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Grant Petersen

@GP_O11

3 years

My clearest most detailed image of #Jupiter 😁 16 x 5000 frames captured in FireCapture, best 25% of frames stacked with Autostakkert, wavelets sharpened in Registax, derotated in Winjupos. Celestron 8" - ZWOASI224mc - 3 x barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

Our Solar System family portrait 2020/21 What is your favourite planet? #Mercury #Venus #Mars #Jupiter #Saturn #Uranus #Neptune

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Grant Petersen

@GP_O11

3 years

#Saturn in a hurry. This mini thread will show you how I get this final image of Saturn in under 20 minutes. Equipment used - Celestron 8" SCT - ZWOASI224mc - Xcel LX 3 x barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

2 years

Last night's planetary haul #Mars #Jupiter #Saturn #Uranus #Neptune

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Grant Petersen

@GP_O11

2 years

Sunday mornings smartphone pic of the #Moon and the planetary alignment below #Saturn #Mars #Venus #Jupiter

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Grant Petersen

@GP_O11

4 years

#Saturn on 04.05.2020 with a Celestron 8" Nexstar GPS, 2 x barlow and Orion USB eyepiece cam #Astrophotography

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Grant Petersen

@GP_O11

4 years

First light with my new camera, #Saturn #Mars #Jupiter and the #Moon captured with a #ZWOASI224MC and #Celestron 8"

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Grant Petersen

@GP_O11

3 years

#Saturn from my backyard in #Johannesburg Celestron 8" - ZWOASI224mc - 3 x barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

The gas giants #Jupiter #Saturn #Uranus and #Neptune 2021.10.13 Celestron 8" - ZWOASI224mc - 2 x barlow - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Jupiter and #Saturn #GreatConjunction 2020.12.21 with a @zwoasi 224mc, F/6.3 reducer and Celestron 8" #jupitersaturnconjuction #Astrophotography

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Grant Petersen

@GP_O11

4 years

Quick imaging session this morning before heading off to work - #Mars #Jupiter and #Saturn with an Orion USB eyepiece camera, 2 x barlow and 8" Sky-watcher dobsonian #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Mars #Venus and a 4% crescent #Moon from #Johannesburg Pics taken between 18h00 and 18h30 with a Canon 1300d and 75mm-300mm lens #Astrophotography

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Grant Petersen

@GP_O11

1 year

I got out with my scope for the first time this year. Snapped this daylight pic of #Mars just before sunset #Astrophotography

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Grant Petersen

@GP_O11

4 years

#Jupiter and #Saturn last night.

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Grant Petersen

@GP_O11

4 years

Not the best of conditions last night but was good to get out after a couple weeks of bad weather. #Jupiter #Saturn #Mars and #Uranus captured with a #ZWOASI224MC 2 x barlow and Celestron 8" #Astrophotography

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Grant Petersen

@GP_O11

2 years

Last night's #Uranus #Astrophotography

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Grant Petersen

@GP_O11

8 months

On Friday evening I got this pic of #Saturn just before sunset. Imaged with a C9.25 sct - 2 x barlow - ZWO ASI224mc #Astrophotography

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Grant Petersen

@GP_O11

4 years

#Mars #Jupiter and #Saturn from my backyard in #Johannesburg captured with an Orion USB eyepiece camera II, 2 x barlow and Celestron 8" #Astrophotography

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Grant Petersen

@GP_O11

3 years

First pics of #Saturn and #Jupiter since December's conjunction #Astrophotography

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Grant Petersen

@GP_O11

4 years

Conditions were close to perfect this morning, got these pics of #Mars #Jupiter and #Saturn from #Johannesburg on 2020.05.08 with an Orion USB camera II, 2 x barlow and Celestron 8" #Astrophotography

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Grant Petersen

@GP_O11

3 years

Reworked my #Saturn data from Sunday night. The moon Titan is now clearly visible as well as Tethys just below Saturn. Used the selective editing tool in lightroom to reveal the moons #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Neptune is about 4.7 billion km from earth. I captured this on Sunday night under good conditions. This is my best attempt at this very difficult target #Astrophotography

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Grant Petersen

@GP_O11

2 years

Lil #Saturn captured with a C8 + 2 X Barlow + ZWOASI224mc #Astrophotography

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Grant Petersen

@GP_O11

4 years

#Jupiter #Saturn and #Mars earlier this morning #Astrophotography

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Grant Petersen

@GP_O11

2 years

Re-processed some smartphone data from #Saturn opposition in 2021. Imaged with a #HuaweiP30Pro 7mm eyepiece, 2 x barlow and Celestron 8" #Astrophotography

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Grant Petersen

@GP_O11

3 years

Some pics I've taken over the last couple weeks that I haven't gotten round to posting #Saturn #Uranus #Neptune #Moon

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Grant Petersen

@GP_O11

2 years

The gas giants #Jupiter #Saturn #Uranus and #Neptune captured this weekend #Astrophotography

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Grant Petersen

@GP_O11

2 years

Last night while capturing #Saturn I may have picked up some sort of anomaly moving over The B-ring. I suspect either one of Saturn's smaller moons or even a shadow from nearby Tethys. I'm hoping we can find out. 10.05.22 19:24 - 20:11 utc

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Grant Petersen

@GP_O11

2 years

Sunday evenings blue #Saturn captured about 30 minutes before sunset with a C925 - 2 x barlow - ZWO ASI224mc #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Venus captured early Monday morning #Astrophotography

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Grant Petersen

@GP_O11

4 years

#Saturn and #Jupiter with Galilean moons Europa and Io in daylight, captured with a #HuaweiP30Pro 3 x barlow and 8" Skywatcher dobsonian #Smartphone #Astrophotography

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Grant Petersen

@GP_O11

2 years

Monday mornings #Eclipse from #Johannesburg Canon 1300D at 300mm #EclipseLunar #Moon

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Grant Petersen

@GP_O11

2 years

#Jupiter from my backyard #Astrophotography

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Grant Petersen

@GP_O11

2 years

Picked up a used 10" Meade over the weekend. Got some test shots in this morning #Mars #Jupiter #Saturn

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Grant Petersen

@GP_O11

4 years

Copernicus #Moon #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Mars earlier this morning #Astrophotography

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Grant Petersen

@GP_O11

4 years

A total exposure time of 30 minutes on #M42 the Orion Nebula #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Neptune at opposition 2021.09.14 Captured with a Celestron 8", ZWOASI224mc, 2 x barlow and CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

Sunday nights pic of #Saturn with moon Titan. Captured with a ZWO ASI224mc, 2 x barlow and Celestron 8" SCT. Stacked the best 35% of 10000 frames in Autostakkert and adjusted wavelets in Registax #Astrophotography

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Grant Petersen

@GP_O11

2 years

Some pics of #Jupiter and Galilean moons as seen last night. Moons from left - Ganymede, Europa and Io #Astrophotography

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Grant Petersen

@GP_O11

2 years

Scorpius and the #Moon #Eclipse from #Johannesburg #EclipseLunar

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Grant Petersen

@GP_O11

4 years

Really enjoying this derotation thing, here is #Jupiter and #Saturn from Thursday night #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Jupiter with moons from left, Callisto, Ganymede, Io and Europa #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Saturn on 09.09.22 from #Johannesburg #Astrophotography

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Grant Petersen

@GP_O11

1 year

#Saturn from my backyard in #Johannesburg Imaged with a #ZWOASI224MC 3 x barlow and C9.25 #Astrophotography

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Grant Petersen

@GP_O11

2 years

Some early morning pics of #Mars #Venus #Saturn and a first pic of #Jupiter this season. C8 - 2 x barlow - ASI224MC - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

2 years

Sunday afternoons waxing crescent #Moon #HuaweiP30Pro 40mm eyepiece and Meade 10" #Astrophotography

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Grant Petersen

@GP_O11

9 months

From my backyard in #Johannesburg I got this pic of #Neptune at a distance of 4.3 billion kilometers #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Jupiter from my backyard #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Jupiter and Ganymede 40 minute time lapse.

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Grant Petersen

@GP_O11

3 years

Friday mornings view of #Jupiter and moons, from left - Ganymede, Europa and Io ZWOASI224mc - C8 SCT - CGEM DX mount #Astrophotography

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Grant Petersen

@GP_O11

3 years

#Saturn early Saturday morning. Pic 1 with a 2 x barlow. Pic 2 with a 3 x barlow. Celestron 8" - ZWOASI224mc #Astrophotography

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Grant Petersen

@GP_O11

2 years

#Neptune at a distance of 4.4 billion km from my backyard in #Johannesburg

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Grant Petersen

@GP_O11

3 years

Sunday nights waxing crescent #Moon from #Johannesburg #Astrophotography

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Grant Petersen

@GP_O11

11 months

This is #Saturn captured over a 7 year period. When I started in 2017 Saturn's rings were at their most open and by 2025 they will be edge on #Astrophotography