NGC 4631 and NGC 4656, the "Whale" and the "Hockey Stick"
Posted: Mar 12th, 2023
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NGC
IC
HD
Technical Info
Telescope/Lens:Sky-Watcher Quattro 8S
Camera:ToupTek IMX571
Mount:EQ6 Pro
Guide Scope:Искатель 50
Guide Camera: T7m
Software:NINA, GraXpert, Pixlnsight, ФШ
Accessories:Sharpstar 0.95x MPCC
Exposure:
90 x 120" ISO/Gain: 100 - OPTOLONG L-pro
Orange zoneLight Pollution:
Ekaterinburg Rayon Ozera Gluhoe, Russia
Mar 12th, 2023
3 h 0 m
1665
16
Finally, after 1.5 months, the sky cleared—and not just a milky haze, but a deep blue spring sky! Color in the galaxies appeared right away. Darks, flats, biases: 25 each. Background correction with GraXpert—faster, easier, and better than PixInsight. I recommend it.
Slightly to the right of the frame's center, among a group of bright stars—could that be a comet? Is there any proper motion between the first and last frame?
13 Mar, 2023
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