Observation by Alex Pratt: C/2022 E3 (ZTF) - 2023 Feb 5

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Alex Pratt

Observer

Alex Pratt

Observed

2023 Feb 05 - 22:45

Uploaded

2023 Feb 06 - 15:08

Objects

C/2022 E3

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Constellation

Auriga

Field centre

RA: 05^h08^m
Dec: +46°50'
Position angle: -3°59'

Field size

0°17' × 0°12'

Equipment

C11 f/10 and f/3.3 focal reducer
QHY174M-GPS camera
DeepSkyStacker

Exposure

20 x 4 s

Location

Leeds, West Yorkshire (Bortle 7)

Target name

C/2022 E3 (ZTF) - 2023 Feb 5

Title

C/2022 E3 (ZTF) - 2023 Feb 5

About this image

Yet again I had to wait until after 10pm for the clouds to break cover. Even then the clear spells were short-lived. On this night the comet was near its closest pass of Capella. Auriga was overhead but the Full Moon wasn't far away. This evening (Feb 6) the comet will be just N of the Kids asterism.

Files associated with this observation

2022E3_20230205_2245_ARP.png (873.4 kB)

Like this image

Adam Rawlinson

Comments

Adam Rawlinson, 2023 Feb 06 - 15:39 UTC

I find an F3.3 reducer on my F10 SCT is always hard without the image looking like its been taken through a milk bottle.

Youve managed it though! Nice.

Alex Pratt, 2023 Feb 06 - 16:13 UTC

Hi Adam,

that 'scope is used for video observations of asteroidal occultations and astrometry, where the reducer gives me a wider field and fast f-ratio, several reference/comparison stars and a fast exposure cadence.

For other objects I can select a smaller ROI to use the central field (less vignetting). The comet images are a compromise, just for fun anyway.

Alex.

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