Comet Honda-Mrkos-Pajdusakova (45P)

2017/03/01

After a few month stormy winter weather, finally we got a nice break. Many nearby places got flooded so I was very concerned about the road conditions. Before my trip, I emailed BLM office and they confirmed that Panoche Hills was open and road to overlook was good. As promised, the road was not affected by stormy weather at all.

The sky was crystal clear with excellent transparency and seeing after sky turned fully dark. However high clouds moved in after midnight, forced me packed up and leave early. I would have had a better night at Williams Hills BLM, but unfortunately the road was closed due to rain damage.

While waiting for Virgo cluster to rise, I took some images of comet 41P and 45P. From the following image, the tail looked really nice. The size of this the image is ~80’x60′.

Exposure: 9 x 300″
Location: Panoche Hills BLM, CA
Condition: excellent transparency, excellet seeing
Equipment: SIG8300M + Baader LGRB filter, comet tracking with OAG8300 + STi, AT111EDT on AP1100.

2017/03/13

I took images of comet 41P and 45P at my white zone backyard, to test my imaging system.

From the final stacked image, apparently I continued to use tracking rate of comet 41P for guiding, even though I remember clearly that I made the change.

Exposure: 12 x 300″
Location: Sunnyvale CA
Condition: Average transparency, average seeing
Equipment: SIG8300M + Baader LGRB filter, comet tracking with OAG8300 + STi, AT111EDT on AP1100.

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