Observation by Mark Phillips: 201 Penelope light curve

Uploaded by

Mark Phillips

Observer

Mark Phillips

Observed

2022 Feb 10 - 21:39

Uploaded

2022 Feb 12 - 11:29

Objects

201 Penelope

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Constellation

Cetus

Field centre

RA: 00^h30^m
Dec: -22°55'
Position angle: -89°59'

Field size

0°13' × 0°14'

Equipment

250mm f4.8 Newtonian
Atik 460EX
Baader V filter
Captured in NINA
Processed in AstroImageJ

Exposure

95 x 120s

Location

Forthimage Observatory, Edinburgh UK

Target name

201 Penelope

Title

201 Penelope light curve

About this image

First attempt at an asteroid light curve. Not entirely sure what to do with the data but quite satisfying to capture this. Unfortunately not enough data to attempt to calculate its period.

Animation of movement over this period: https://www.forthimage.co.uk/wp-content/uploads/201-Penelope.gif

Files associated with this observation

201Penelope.png (15.6 kB)

Like this image

Grant Privett, Jeremy Shears, David Basey, Tim Haymes, Dr Paul Leyland, Philip Jennings

Comments

Tim Haymes, 2022 Feb 13 - 23:03 UTC

Ive been meaning to try asteroid photometry for some while. I need a suitable candidate to test the imaging and analysis. (201) looks a good one, so thanks for reporting this. The period is short enough for a nights observing.

If you look in the ALCDEF database there is one measurement there: Its interesting to note that your light curve has a greater amplitude. About 0.3 mag if i read the scale correctly?

https://alcdef.org/php/alcdef_GenerateALCDEFPage.php

Its also in Richard Miles' list on HBAA page 53 for low phase angle opportunities - i need to pay more attention :D. So i suggest sending the data to Richard.

Thanks again -Tim

Mark Phillips

Mark Phillips, 2022 Feb 15 - 14:21 UTC

Thanks for that Tim. I have been in touch with Richard to see what I should do with it and how to make it more useful. First time doing an asteroid light curve for me too. I chose 201 Penelope for the same reason as you say.

Alex Pratt, 2022 Feb 15 - 18:51 UTC

Hi Mark,

Also have a look at the Gaia-GOSA Pro-Am project

Gaia-GOSA (gaiagosa.eu)

Clear skies,

Alex.

Mark Phillips

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