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Mercury (IR) 25th August 2019

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About this observation
Observer
Martin Lewis
Time of observation
25/08/2019 - 12:00
Object
Mercury
Observing location
St Albans
Equipment
222mmDobsonian
685nm IR filter
642nm filter for IR
ASI290MM
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Some good seeing yesterday despite the heat allowed some decent views of Mercury approaching superior conjunction and at elongation of 9°. Two independent sets of data, one with a 685nm IR filter and one with a 642nm IR filter show very similar appearance. Messenger data also for comparison.
Martin

Best images selected using PIPP to reduce the 257k and 140k image sets down to 26k and 14k frames then Autostakkert to take that down to 2.6k and  3.5k respectively

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