Log Book Entry No.167

Created: 31 Jan 2018 17:12:48

Last Revised: 31 Jan 2018 20:39:15

RebekahChafer1

Msci Fourth Year Photometry Observation 2

Academic: Prof Stewart Boogert
Students: Beki Chafer and Luna Borella
Weather: Clear
Start Time: 17:00
Target: Pleiades Cluster

Cameras on and cooling set to -15deg.
Pleiades target RA/Dec: 3h 47m, +24 deg 07' 01.2''

Synchronise target: Capella 5h16m41.6s/+45deg 59' 44.7''
Synchronised. Moved to Pleiades.

Attempted to focus, camera too heavy.
Moved south to get telescope horizontal to adjust the focus

Back to Pleiades, out of focus again. Moving the telescope vertical causes focus to move.
Moved to Pleiades, cooling ring still visible, waiting for it to disappear.

Took 20 images of pleiades in rbgl filters, 20 images in each.
R-2s
B-2s
G-1.5s
L-1s

Moved to new target, Hyades. Will take four images in total to encapture the entire cluster.

Four key stars are:
- Sigm1,2 Tau - Aldebaran was too bright - saturated and overpowered other stars
- Hyadum I
- Hyadum II
- 81/80 Tau

Taking images in each filter x 20
SigTau
R-8s
B-9s
G-9s
L-7s

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