Spiral Galaxy in Ursa Major

M 101


M 1011/16/22
Telescope: Celestron Rasa 8"Mount: Celestron AVXCamera: ZWO ASI294 MC ProGuide Scope: Deluxe Mini 50mm Guide Scope with Helical FocuserGuide Camera: Orion StarShoot AutoguiderFilter: Baader Moon and Sky Glow FilterBin: 1x1Gain: Unity (120)NINA for Camera control and ditheringPHD2 for GuidingSubs: 47 - 30 sec RGBCalibration Frames - 30 each of: Flats, Darks, and Dark Flat framesStacked with DSSProcessed with Photoshop CS4 with Astronomy Tools, Gradient Xterminator


Name: Spiral Galaxy in Ursa Major

Catalog #: M 101

Visual Magnitude: 7.9

Apparent Size (arcmin): 22.0

Distance (kly): 27,000
M 1015-14-21Telescope: Explore Scientific ED80ES Field FlattenerMount: Celestron AVXCamera: ZWO ASI294 MC ProGuide Scope: Deluxe Mini 50mm Guide Scope with Helical FocuserGuide Camera: Orion StarShoot AutoguiderFilter: Baader Moon and Sky Glow FilterBin: 1 x 1Gain: Unity (120)APT for Camera control and ditheringPHD2 for GuidingSubs: 40 - 180 secCalibration Frames - 25 each of: Flats, Darks, Bias and Dark Flat framesStacked with DSSProcessed with Photoshop CS4 with Astronomy Tools and Gradient Xterminator


Name: Spiral Galaxy in Ursa Major

Catalog #: M 101

Visual Magnitude: 7.9

Apparent Size (arcmin): 22.0

Distance (kly): 27,000

Below is an annotated version of the earlier photo.