Mars on October 6, 2020 (a few days before Opposition)

Mars
All Images Copyright Steve Cannistra

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Characteristics:
Image scale:  0.21 arcsec/pixel
North at top, South pole at around 7 o'clock
Planetary disk diameter 23 arcseconds

Photographic Details:
Dates:  October 6, approximately 2:22 AM EDT (UT 06:22)
Scope:  Celestron 9.25" (235mm), native focal length 2350mm, f10
Camera:  ZWO ASI178MM monochrome video camera, pixel size 2.4 um, with Starlight Xpress USB powered 5 position filter wheel for 2" filters
Filters: 
2" mounted Baader LRGB filters
Seeing conditions:  Good
Location:  Needham, MA
Post-processing: Video capture in FireCapture (1 millseconds/frame), video stacking in AutoStakkert! (7,000 frames per R, G, B filter), further stacking in Winjupos, wavelet processing in Registax, final processing in Photoshop (LRGB combine) using a combination of Astraimage, and unsharp masking
Please note:  Graphics on this website may not be reproduced without author permission.

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