21P/Giacobini-Zinner |
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|---|---|
 |
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| 2018 April 15 10:17 UT, 1x300s, 11" SCT f/6.4, STF-8300M, m=18.1, | |
| © 2018 Mike Olason, Denver Colorado | |
21P/Giacobini-Zinner |
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|---|---|
|
|
|
| 2018 April 15 10:17 UT, 1x300s, 11" SCT f/6.4, STF-8300M, m=18.1, | |
| © 2018 Mike Olason, Denver Colorado | |