Spiral Galaxy in Ursa Major

M 101


M 1011/16/23
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: 121NINA for Camera control and ditheringPHD2 for GuidingSubs:  109 - 15 sec RGBCalibration Frames - 30 each of: Flats, Darks, and Dark Flat framesStacked with APPProcessed with Photoshop CS4 with Astronomy Tools  


Name:  Spiral Galaxy in Ursa Major

Catalog #:  M 101

Visual Magnitude:  7.9

Apparent Size (arcmin):  22.0

Distance (kly):  27,000 

Use this link to see supernova 2023ixf that appeared in M101.

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.