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Hemisphere:  Northern  ·  Contains:  M 77, NGC 1068
Getting plate-solving status, please wait...


            Jon Stewart
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Technical card

Imaging telescopes or lenses: Celestron SCT 8” Celestron 8" SCT

Imaging cameras: ZWO ASI 294MC PRO ZWO ASI 294 MC PRO

Mounts: Celestron AVX

Guiding telescopes or lenses: Orion 50mm Guidescope Orion 50mm guide scope

Guiding cameras: Orion Starshoot Autoguider

Focal reducers: Celestron Reducer, 0.63x

Software: Photoshop CC  ·  Sequence Generator Pro Seqence Generator Pro  ·  Deep Sky Stacker 3.3.4 Deep Sky Stacker

Accessory: Celestron Focus Motor  ·  QHY Polemaster

Dates:Nov. 29, 2019Nov. 30, 2019

9x240" (gain: 300.00)
9x180" (gain: 300.00) -20C

Integration: 1.1 hours

Darks: ~20

Flats: ~25

Bias: ~27

Avg. Moon age: 3.44 days

Avg. Moon phase: 12.97%

Bortle Dark-Sky Scale: 3.00

Temperature: -10.00

Basic astrometry details job: 3090292

RA center: 2h 42' 42"

DEC center: +0° 0' 25"

Pixel scale: 0.989 arcsec/pixel

Orientation: 215.898 degrees

Field radius: 0.236 degrees

Resolution: 2190x1546

Data source: Backyard


Lots of issues capturing this one... either too bright for the core, or too dim to get the outlines of the arms. My attempt at blending 2 different time lengths.

Will revist this next year after I learn to collimate properly!



Jon Stewart
License: None (All rights reserved)

Sky plot

Sky plot




            Jon Stewart