Title: Supernova 2023ixf in M101
Description:
The supernova named 2023ixf was discovered on May 19, 2023 in the Pinwheel Galaxy (M101).
Apparent Visual Magnitude: 11
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ACQUISITION DETAILS
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Target: Pinwheel Galaxy (M101)
Start Date: 5/24/2023
Start Time: 23:28 EDT
End Date: 5/25/2023
End Time: 01:32 EDT
Guiding: No
Gain: 100
Cooling Target: -10 C
Actual Cooling: -10.0 C
Exposure: 30s
Bin: Bin1
Focus: 30926
Flat: Yes - Gain 100 - Bin 1 - 3s
Dark: No
Bias: Yes - Gain 100 - Bin 1 - 3s
Stacked: 240
Ignored: 0
Average Star Size: 4.23 (3.22")
Focal Length: 1016 mm
Integration Time: 2 hours
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EQUIPMENT
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Camera: ZWO ASI533MC-Pro
Filter: ZWO UV/IR Cut
Telescope: Celestron NexStar 6SE
Reducer: Celestron 0.63x Reducer
Mount: ZWO AM5
Tripod: ZWO TC40
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SKY CONDITIONS
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Bortle Level: 5
Transparency: 4/7 - See 5 of 7 stars in the Little Dipper
Seeing: Good - Brighter stars twinkling slightly
Astrospheric Cloud Cover: 3%
Astrospheric Transparency: Poor
Astropheric Seeing: Average
Moon in Sky?: No
Temperature: 54 F
Wind: SE 2 mph
Humidity: 87%
Dew Point: 50 F
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POST-PROCESSING WORK FLOW
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Reprocessed image on 1/26/2024
PixInsight
1. Process: Dynamic Crop to 1920x2400
2. Script: ImageSolver
3. Process: BlurXTerminator (version 2.0.0 - AI version 4 -- CorrectOnly)
4. Process: DynamicBackgroundExtractor (1st Pass: Division; 2nd Pass: Subtraction)
5. Process: SpectrophotometricColorCalibration (Defaults)
6. Process: BlurXTerminator (version 2.0.0 - AI version 4 - Defaults)
7. Process: StarXTerminator (Generate Star Image & Unscreen Stars checked)
8. Process: GeneralizedHyperbolicStretch (several iterations of stretches on starless image to highlight galaxy)
9. Process: GeneralizedHyperbolicStretch (1 iteration of stretches on star mask image)
10. Process: PixelMath (combine stretched starless image & star mask) -- Expression: ~((~starless)*(~star_mask))
11. Process: NoiseXTerminator (Denoise: 0.50; Detail: 0.15)
12. Process: ICCProfileTransformation (Convert to profile = sRGB IEC61966-2.1)
GIMP
1. Levels (adjust black level to make background sky darker - Level 10.0)
2. Saturation (Scale: 1.25)
Uploaded: ...
| EAA - Post-Processed |
| Supernovae |
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