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PonsBrooks-M31

Category:Deep Sky
Published:
1131
PonsBrooks-M31NGC 20NGC 29NGC 44NGC 206NGC 272IC 24IC 1530IC 1538IC 1539NGC 5NGC 6NGC 11NGC 13NGC 19NGC 21NGC 39NGC 43NGC 67NGC 68NGC 69NGC 70NGC 71NGC 72NGC 74NGC 112NGC 140NGC 149NGC 205NGC 218NGC 221NGC 224NGC 226NGC 233NGC 262NGC 266NGC 282NGC 287NGC 7831NGC 7836IC 1550
Resolution:
5427x3574 px
File size:
15869 KB

Photo description / processing

On March 8, I went out of town to photograph the comet. The sky was great, but light pollution near the horizon was really interfering. I also had trouble with flats—it seems that precise focus during shooting is critical, and it's hard to match it later. I wonder how other owners of this lens manage with flats? I'm posting what I got.

Technical information

Telescope/Lens
Zeiss Apo Sonnar 135mm f/2 Lens
Camera
Canon EOS 6D
Mount
Sky-Watcher HEQ5 Pro
Software
Siril
Location
Salcininkai, Lithuania

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 50 × 30″ · ISO/Gain: 1600 ·

Total exposure: 25 m

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