NGC 40 + CTA 1
NGC 40 + CTA 1 |
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Object data of NGC40 |
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| Object type: | Planetary nebula | |
| Size: | 1.2' x 1.2' | |
| Magnitude: | 12.3mag | |
| Constellation: | Cep | |
| Distance: | 3,500 Ly | |
| Notes: | NGC 40 is a small planetary nebula in constellation Cepheus. | |
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Object data of CTA 1 |
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| Object type: | Supernova remnant | |
| Size: | 120' | |
| Magnitude: | - | |
| Constellation: | Cep | |
| Distance: | 4,600 Ly | |
| Notes: |
CTA 1 is a supernova remnant that consists of a 1.5 degree filamentary
shell. The bright object near left of center is NGC 40, a small
planetary nebula. The two objects are unrelated and are at different
distances. The distance to CTA 1 is estimated about 4 600 lightyears and
its age about 10 000 years.
CTA 1 (SNR G119.5+10.2) is a supernova remnant that consists of a 1.5 degree
faint filamentary shell. The distance to CTA 1 is estimated about 4 600
lightyears and its age about 10 000 years. NGC 40 is not related to CTA1. |
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Exposure data |
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| Date: | 2023-12-30 until 2024-01-29 (4 nights) | |
| Location: | Nussbach / Austria (400m) | |
| Telescope: | TEC APO 200 FL with TEC flattener-reducer 0.9x (f=1500mm) | |
| Camera: | QHY 268M with Baader CMOS filters | |
| Binning: | L 1x1 / RGB 1x1 / Ha 1x1 / [OIII] 1x1 | |
| Mount: | ASA DDM85 | |
| Exposure time: | L 50x2min / RGB 18x2min each / Ha 42x8min / [OIII] 38x8min | |
| Exposure time total: | 14h 08min | |
| Notes: | Captured in nights with bright moon | |
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