Observation by Alex Pratt: Lunar occultation of Mars - 2022 Dec 8

Uploaded by

Alex Pratt

Observer

Alex Pratt

Observed

2022 Dec 08 - 04:56

Uploaded

2022 Dec 08 - 12:44

Objects

Mars
The Moon
Conjunction

Equipment

C11 @ f/10
QHY5III462C CMOS colour planetary camera
SharpCap
SER Player

Exposure

20 ms

Location

Leeds, West Yorkshire (Bortle 7)

Target name

Full Moon occultation of Mars

Title

Lunar occultation of Mars - 2022 Dec 8

About this image

From my location Occult predicted that the DB (disappearance at the bright limb) would occur at 04:56:12 to 04:56:47. The RB (reappearance at the bright limb) would occur at 05:56:06 to 05:56:39.

At 04:15 it was mostly cloudy with leads of clear sky. As I was aligning the 'scope on Mars and the Full Moon the clouds melted away from the scene by 04:40. The attached image shows single frames from the SER videos at around 1st contact and 4th contact. The seeing was reasonable for the DB but an hour later at RB it had degraded because the Moon and Mars were at low altitude over a house roof.

SharpCap uses the computer clock to timestamp the frames. My laptop is synchronised by NTP although I didn't have a link into my observatory, so the timings could have uncertainties of a couple of seconds or thereabouts.

Files associated with this observation

Mars_Moon_DB_RB_20221208_ARP.png (126.1 kB)

Like this image

Mark Phillips, Bill Leatherbarrow, Duncan Hale-Sutton, Dr Richard John McKim, Dean Norris

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