Observation by John Arnold: Moon in narrow band at 690 nm

Uploaded by

John Arnold

Observer

John Arnold

Observed

2023 Nov 25 - 20:54

Uploaded

2023 Nov 29 - 09:39

Objects

The Moon

Equipment

Skywatcher 102 Startravel refractor with ASI178MM camera

Exposure

stack of best 500 of 6200-frame video, exp. time 0.8 msec, through thin cloud

Location

Suburban North Leeds

Target name

The Moon

Title

Moon in narrow band at 690 nm

About this image

I was experimenting with a new set-up, using a Baader 685 nm long-pass filter, but afterwards I realised that an Astronomics L2 UV-IR blocking luminance filter had been left on the front of the diagonal I was using. The two filters together mean it is a fairly narrow-band image, between 685 and 695 nm. The result turned out to be more interesting than with a long-pass filter alone.

Files associated with this observation

2023-11-25-2054_0-U-L-Moon_lapl4_ap1966_conv 500 685 + UV-IR cut off full disc 2-P.jpg (997.9 kB)

Like this image

Dominic Ford, Martin Lewis, Martina McGovern

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