Observation by John Arnold: Bullialdus region

Uploaded by

John Arnold

Observer

John Arnold

Observed

2025 Mar 09 - 18:30

Uploaded

2025 Mar 11 - 11:45

Objects

The Moon

Equipment

Stellalyra 8" Classical Cassegrain, ASI178MM camera with 742 nm long-pass filter

Exposure

Exp. time 2 msec, stack of best 1.5% of 10,000-frame video

Location

Suburban North Leeds

Target name

Bullialdus, also Rima Hesiodus and the concentric crater Hesiodus A

Title

Bullialdus region

About this image

Files associated with this observation

2025-03-09-1830_3-U-L-Moon 742nm Bullialdus region.jpg (1.2 MB)

Like this image

Bill Leatherbarrow, Duncan Hale-Sutton, Dawson

Comments

Dawson, 2025 Mar 12 - 21:04 UTC

Really lovely crisp image. Well done. I’ve never stacked just 1.5% of subs; did you have to do much in terms of reducing noise in post-processing? Great work.

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