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Gassendi, low illumination, 2021-06-21 11:20 UT

Celestron Imaging Moon
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#1 Visit-the-Moon

Visit-the-Moon

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Posted 22 June 2021 - 02:19 AM

This is the second of three images I captured on the evening of 21st June. Gassendi has a diameter of 110 km. Its complex floor is criss-crossed by numerous rilles. The Northern wall is interrupted by the relatively deep Gassendi A (33 km). The two most prominent internal craterlets at 10 o'clock to the central peaks are M (3km) and N (4km). Gassendi intrudes into Mare Humorum. As the basalt is quite dark, a longer exposure is required to get a good histogram, so I captured a large file hoping to get a reasonable number of good frames. South is up. Click thumbnail for detail.

 

C9.25, 2x TV Powermate, Astronomik 2c Red filter, ZWO ASI290MM. Exposure = 4.685ms, FPS =161, Gain=306 (51%), 12,393 frames, 28% stacked in AS!3.

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  • 2021-06-21-1120_3-R-3_Moon_AS_P28_lapl5_ap238-DN.jpg

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#2 Tyson M

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Posted 22 June 2021 - 02:38 AM

Wow incredible image! Well caught/processed. Loved the rilles inside.


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#3 R Botero

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Posted 22 June 2021 - 03:59 AM

Beautiful shot! waytogo.gif


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