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H Alpha

H Alpha. Red. 20 seconds exposure – 4 different filters. Green. Blue. AREO 3. 3 different exposure times Hydrogen Alpha filter 20, 60 and 120 seconds. What can I achieve in 30 seconds?. 4 filters. Rosette Nebula – NGC2237 30 seconds each exposure AREO3. H Alpha Red

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H Alpha

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  1. H Alpha Red 20 seconds exposure – 4 different filters Green Blue AREO 3

  2. 3 different exposure times Hydrogen Alpha filter 20, 60 and 120 seconds

  3. What can I achieve in 30 seconds? 4 filters Rosette Nebula – NGC2237 30 seconds each exposure AREO3 H Alpha Red Green Blue

  4. What can I achieve in 2 minutes? IC443 - SUPERNOVA  REMNANT IN GEMINI AREO 3 – 120 seconds exposure using Hydrogen Alpha filter

  5. What can I achieve in 5 minutes? SH2-240 – Supernova Remnant in Taurus AREO 3 – 300 seconds exposure using Hydrogen Alpha filter

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